Home / 1,160,837.70-1,741,256.55-319,388.10

Finding the Fourth Proportional to 1,160,837.70, 1,741,256.55 and 319,388.10

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Solution

The fourth proportional to 1,160,837.70, 1,741,256.55 and 319,388.10 is: 479,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,837.70 : 1,741,256.55 = 319,388.10 : x
  2. Step 2: Convert to fraction form
    1,160,837.70/1,741,256.55 = 319,388.10/x
  3. Step 3: Cross multiply
    1,160,837.70x = 1,741,256.55 × 319,388.10
  4. Step 4: Simplify right side
    1,160,837.70x = 556,136,621,117.06
  5. Step 5: Solve for x
    x = 556,136,621,117.06/1,160,837.70
  6. Step 6: Final answer
    x = 479,082.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.